In my last post, Exchange Online EWSMaxSubscriptions throttling budget calculation has been updated! , I wrote about a recent change to the EWSMaxSubscriptions throttling setting. Although useful, that information is just one part of the story. Now I...

We have made a change to the way that Exchange Online accounts for the number of subscriptions against the EWSMaxSubscriptions throttling limit. In earlier versions of Exchange Online, the throttling limit was calculated against the calling account. A...

Several times we’ve heard people ask what the maximum size is for the EWS identifier. This question usually comes up when developers are designing a database schema that will store the EWS identifier in a fixed-width column. Our answer is that the EWS...